p. 457 from Practical English Usage By Swan M. OXFORD (The best grammar & vocabulary reference book in my opinion). 
Practical English Usage answers the questions that teachers and learners ask about English grammar and vocabulary, using clear corpus-informed explanations and examples. More than 600 entries range across issues such as:
• article problems • using tenses • singular they • get as a passive auxiliary • the truth about conditionals • bring or take? • can, could, may or might? • classic or classical? • emails • politeness • avoiding offensive language ...
No comments:
Post a Comment